The definition of irretrievable is something that cannot be retrieved, restored, fixed or put right.
When your computer hard drive permanently loses all your data, this is an example of a time when the data is irretrievable.
Difficult or impossible to retrieve or recover: Once the ring fell down the drain, it was irretrievable.
- ir′re·triev′a·ble·ness ir′re·triev′a·bil′i·ty
- The Syracusans' work was destroyed by a prompt and well-executed attack; and a second counter-work carried across marshy ground some distance to the south of Epipolae and near to the Great Harbour was also demolished after a sharp action, in which Lamachus fell, an irretrievable loss.
- But even in this crowning triumph the cramping egotism of his nature - a mental vice which now grew on him rapidly - fatally narrowed his outlook and led him to commit an irretrievable blunder.
- At the height of its glory sudden and irretrievable ruin fell upon the Order.
- But he was soon to suffer irretrievable defeat.
- The second act of the drama may be said to open with the irretrievable blunder of Nicias in letting the Spartan Gylippus first land in Sicily, and then march at the head of a small army, partly levied on the spot, across the island, and enter Syracuse by way of Epipolae, past Euryelus.